Home / 35,745.63-49,333.22-20,641.96

Finding the Fourth Proportional to 35,745.63, 49,333.22 and 20,641.96

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Solution

The fourth proportional to 35,745.63, 49,333.22 and 20,641.96 is: 28,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.63 : 49,333.22 = 20,641.96 : x
  2. Step 2: Convert to fraction form
    35,745.63/49,333.22 = 20,641.96/x
  3. Step 3: Cross multiply
    35,745.63x = 49,333.22 × 20,641.96
  4. Step 4: Simplify right side
    35,745.63x = 1,018,334,353.91
  5. Step 5: Solve for x
    x = 1,018,334,353.91/35,745.63
  6. Step 6: Final answer
    x = 28,488.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.